How long is the flight from Illinois to Montrose?

There are many flights that can get you from Illinois to Montrose in 6h 40m. Fly via Southwest, United Airlines, or Delta to get the fastest option. Airlines will cover a distance of 944 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Montrose ranges from 0.4 - 1.2 inches per month. August is typically the wettest month, when rainfall can reach 1.2 in. January is typically the driest time to visit Montrose when rainfall is around 0.4 in.

If weather is an important factor for your trip to Montrose, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What are the most popular routes from Illinois to Montrose?

When deciding which route to take from Illinois to Montrose consider Chicago O'Hare Intl - Montrose County, Lambert-St Louis - Montrose County or Moline Quad-City - Montrose County as they are the most popular.

What are the most popular airlines that fly from Illinois to Montrose?

The most popular airlines flying from Illinois to Montrose are United Airlines, American Airlines and Southwest. Something to consider prior to booking your flight.

What airport do you fly into for flights to Montrose from Illinois?

Montrose County (MTJ) is the airport you will fly into if you book a flight from Illinois to Montrose. It is only a 2.3 mi journey from Montrose County (MTJ) to Montrose’s city center.

Can I find deals for flights from Illinois to Montrose that include hotel bookings?

Yes. In addition to deals on Illinois to Montrose flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Illinois to Montrose?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Montrose.

Can I find deals for business class flights from Illinois to Montrose?

Yes. Cheapflights offers flight deals from Illinois to Montrose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$189+ Cheap Flights from Illinois to Montrose

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Cheap flight deals from Illinois to Montrose

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$211 (Southwest)
One-way from	$189 (Delta)
Popular in	February
Cheapest in	August
Average price	$516

Provider with most accurate pricing for Chicago (CHI)-Montrose County flight deals.

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Provider most trusted by Cheapflights users for Chicago (CHI)-Montrose County flights.

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From Illinois to Montrose County

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One-way flight from Illinois to Montrose County

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Highest demand for flights based on searches. 16% potential increase in price ($89 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).

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Average for round-trip flights in November 2025

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Find flight deals from Illinois to Montrose

Cheapest flights from Illinois to Montrose
Explore the most affordable flight options available from Illinois to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 1, 2025.

Fri 11/144:43 pmSTL - MTJ

1 stop4h 37mUnited Airlines

Tue 11/181:30 pmMTJ - STL

1 stop7h 24mUnited Airlines

Deal found 10/30

$309

Fri 11/148:43 amPIA - MTJ

1 stop4h 46mUnited Airlines

Tue 11/181:30 pmMTJ - PIA

1 stop6h 26mUnited Airlines

Deal found 10/30

$369

Fri 11/148:52 amMLI - MTJ

1 stop4h 37mUnited Airlines

Tue 11/181:30 pmMTJ - MLI

1 stop6h 31mUnited Airlines

Deal found 10/30

$369

Tue 12/235:35 amSTL - MTJ

1 stop6h 55mSouthwest

Sun 12/282:40 pmMTJ - STL

1 stop6h 20mSouthwest

Deal found 10/31

$379

Tue 12/236:30 amSTL - MTJ

1 stop6h 09mUnited Airlines

Sun 12/281:22 pmMTJ - STL

2 stops8h 21mUnited Airlines

Deal found 10/31

$392

Fri 11/142:40 pmORD - MTJ

1 stop6h 40mUnited Airlines

Tue 11/187:15 amMTJ - ORD

1 stop5h 00mUnited Airlines

Deal found 10/30

$419

Wed 11/269:00 amORD - MTJ

2 stops28h 29mUnited Airlines

Mon 12/17:15 amMTJ - ORD

1 stop5h 00mUnited Airlines

Deal found 10/30

$444

Wed 11/269:00 amORD - MTJ

2 stops28h 29mUnited Airlines

Tue 12/21:35 pmMTJ - ORD

2 stops17h 06mUnited Airlines

Deal found 10/30

$448

Fri 11/1411:46 amORD - MTJ

1 stop8h 33mAmerican Airlines

Mon 11/177:00 amMTJ - ORD

1 stop7h 24mAmerican Airlines

Deal found 10/31

$459

Mon 11/244:43 pmSTL - MTJ

1 stop4h 37mUnited Airlines

Mon 12/11:30 pmMTJ - STL

1 stop7h 24mUnited Airlines

Deal found 10/30

$475

Thu 11/207:10 amORD - MTJ

1 stop6h 19mUnited Airlines

Tue 11/257:15 amMTJ - ORD

1 stop10h 38mUnited Airlines

Deal found 10/31

$541

Fri 11/1412:59 pmORD - MTJ

2 stops24h 30mUnited Airlines

Mon 11/171:30 pmMTJ - ORD

2 stops27h 52mUnited Airlines

Deal found 10/31

$548

Best flights from Illinois to Montrose
Discover carefully curated flight deals from Illinois to Montrose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 1, 2025.

Tue 1/206:20 amSTL - MTJ

1 stop6h 40mSouthwest

Tue 1/2712:40 pmMTJ - STL

1 stop3h 50mSouthwest

Deal found 10/30

$211

Tue 1/208:05 amSTL - MTJ

2 stops7h 27mUnited Airlines

Tue 1/271:32 pmMTJ - STL

1 stop6h 26mUnited Airlines

Deal found 10/30

$216

Tue 3/246:00 amSTL - MTJ

1 stop8h 19mDelta

Wed 3/252:17 pmMTJ - STL

1 stop8h 23mDelta

Deal found 10/29

$217

Sat 1/37:36 amORD - MTJ

1 stop7h 27mAmerican Airlines

Sat 1/172:57 pmMTJ - ORD

1 stop7h 47mAmerican Airlines

Deal found 10/30

$376

Mon 1/196:00 amSTL - MTJ

1 stop8h 08mDelta

Tue 1/272:05 pmMTJ - STL

1 stop5h 34mDelta

Deal found 10/30

$217

Mon 1/198:45 amSTL - MTJ

1 stop4h 45mUnited Airlines

Tue 1/271:32 pmMTJ - STL

2 stops8h 26mUnited Airlines

Deal found 10/30

$286

Fri 11/144:43 pmSTL - MTJ

1 stop4h 37mUnited Airlines

Tue 11/181:30 pmMTJ - STL

1 stop7h 24mUnited Airlines

Deal found 10/30

$309

Fri 1/305:33 amORD - MTJ

1 stop8h 35mDelta

Wed 2/42:05 pmMTJ - ORD

1 stop8h 52mDelta

Deal found 10/31

$309

Tue 3/242:45 pmORD - MTJ

1 stop6h 31mUnited Airlines

Wed 4/11:35 pmMTJ - ORD

1 stop6h 38mUnited Airlines

Deal found 10/30

$309

Sat 4/46:51 amMLI - MTJ

1 stop5h 26mAmerican Airlines

Wed 4/812:48 pmMTJ - MLI

1 stop6h 41mAmerican Airlines

Deal found 10/31

$409

Tue 3/2411:25 amSTL - MTJ

2 stops9h 51mUnited Airlines

Wed 3/251:35 pmMTJ - STL

1 stop6h 19mUnited Airlines

Deal found 10/29

$327

Tue 3/106:01 amBMI - MTJ

1 stop8h 18mDelta

Wed 3/112:17 pmMTJ - BMI

1 stop7h 09mDelta

Deal found 10/29

$371

Sun 2/13:59 pmORD - MTJ

1 stop5h 18mUnited Airlines

Sat 2/71:32 pmMTJ - ORD

1 stop6h 43mUnited Airlines

Deal found 10/30

$334

Sat 4/46:48 amPIA - MTJ

1 stop7h 53mAmerican Airlines

Wed 4/812:48 pmMTJ - PIA

1 stop6h 43mAmerican Airlines

Deal found 10/29

$465

Sat 4/410:55 amPIA - MTJ

2 stops10h 13mUnited Airlines

Wed 4/81:35 pmMTJ - PIA

2 stops6h 41mUnited Airlines

Deal found 10/29

$339

Tue 2/37:00 amORD - MTJ

1 stop6h 30mUnited Airlines

Fri 2/61:32 pmMTJ - ORD

1 stop19h 12mUnited Airlines

Deal found 10/29

$363

Sat 1/38:50 amORD - MTJ

Nonstop3h 49mUnited Airlines

Sat 1/171:05 pmMTJ - ORD

Nonstop3h 09mUnited Airlines

Deal found 10/31

$369

Fri 11/148:43 amPIA - MTJ

1 stop4h 46mUnited Airlines

Tue 11/181:30 pmMTJ - PIA

1 stop6h 26mUnited Airlines

Deal found 10/30

$369

Fri 11/148:52 amMLI - MTJ

1 stop4h 37mUnited Airlines

Tue 11/181:30 pmMTJ - MLI

1 stop6h 31mUnited Airlines

Deal found 10/30

$369

Fri 1/302:36 pmORD - MTJ

1 stop6h 41mUnited Airlines

Wed 2/41:05 pmMTJ - ORD

Nonstop3h 09mUnited Airlines

Deal found 10/31

$379

Tue 3/106:22 amBMI - MTJ

2 stops29h 55mAmerican Airlines

Wed 3/112:46 pmMTJ - BMI

1 stop4h 44mAmerican Airlines

Deal found 10/29

$843

Sat 4/410:59 amMLI - MTJ

2 stops10h 09mUnited Airlines

Wed 4/87:30 amMTJ - MLI

2 stops12h 28mUnited Airlines

Deal found 10/30

$439

Thu 12/188:45 amMLI - MTJ

1 stop4h 53mUnited Airlines

Thu 12/183:25 pmMTJ - MLI

1 stop4h 32mUnited Airlines

Deal found 10/30

$658

Last-minute flights from Illinois to Montrose
Discover last-minute flight deals from Illinois to Montrose. Data last updated November 1, 2025 and is based on user searches.

Fri 11/144:43 pmSTL - MTJ

1 stop4h 37mUnited Airlines

Tue 11/181:30 pmMTJ - STL

1 stop7h 24mUnited Airlines

Deal found 10/30

$309

Fri 11/148:43 amPIA - MTJ

1 stop4h 46mUnited Airlines

Tue 11/181:30 pmMTJ - PIA

1 stop6h 26mUnited Airlines

Deal found 10/30

$369

Fri 11/148:52 amMLI - MTJ

1 stop4h 37mUnited Airlines

Tue 11/181:30 pmMTJ - MLI

1 stop6h 31mUnited Airlines

Deal found 10/30

$369

Fri 11/142:40 pmORD - MTJ

1 stop6h 40mUnited Airlines

Tue 11/187:15 amMTJ - ORD

1 stop5h 00mUnited Airlines

Deal found 10/30

$419

Fri 11/1411:46 amORD - MTJ

1 stop8h 33mAmerican Airlines

Mon 11/177:00 amMTJ - ORD

1 stop7h 24mAmerican Airlines

Deal found 10/31

$459

Fri 11/1412:59 pmORD - MTJ

2 stops24h 30mUnited Airlines

Mon 11/171:30 pmMTJ - ORD

2 stops27h 52mUnited Airlines

Deal found 10/31

$548

Thu 11/207:10 amORD - MTJ

1 stop6h 19mUnited Airlines

Tue 11/257:15 amMTJ - ORD

1 stop10h 38mUnited Airlines

Deal found 10/31

$541

Mon 11/244:43 pmSTL - MTJ

1 stop4h 37mUnited Airlines

Mon 12/11:30 pmMTJ - STL

1 stop7h 24mUnited Airlines

Deal found 10/30

$475

Mon 11/246:00 amSTL - MTJ

2 stops14h 48mAmerican Airlines

Mon 12/17:00 amMTJ - STL

2 stops15h 56mAmerican Airlines

Deal found 10/30

$894

Wed 11/269:00 amORD - MTJ

2 stops28h 29mUnited Airlines

Mon 12/17:15 amMTJ - ORD

1 stop5h 00mUnited Airlines

Deal found 10/30

$444

Wed 11/269:00 amORD - MTJ

2 stops28h 29mUnited Airlines

Tue 12/21:35 pmMTJ - ORD

2 stops17h 06mUnited Airlines

Deal found 10/30

$448

Sat 11/298:52 amMLI - MTJ

1 stop12h 28mUnited Airlines

Sat 12/61:35 pmMTJ - MLI

1 stop6h 36mUnited Airlines

Deal found 10/31

$817

One-way flights from Illinois to Montrose
Search for one-way flight options from Illinois to Montrose. Find affordable one-way fares based on user searches. Data last updated November 1, 2025.

Mon 12/225:30 amORD - MTJ

1 stop9h 42mDelta

Deal found 10/31

$189

Thu 3/192:09 pmORD - MTJ

1 stop7h 07mUnited Airlines

Deal found 10/30

$272

Fri 3/137:10 amORD - MTJ

1 stop6h 31mUnited Airlines

Deal found 10/30

$275

Mon 12/2210:09 pmORD - MTJ

2 stops14h 31mAmerican Airlines

Deal found 10/30

$294

Thu 3/196:15 amORD - MTJ

2 stops14h 30mSouthwest

Deal found 10/30

$297

Mon 12/228:50 amORD - MTJ

Nonstop3h 49mUnited Airlines

Deal found 11/1

$304

Sun 3/156:20 amORD - MTJ

1 stop10h 05mUnited Airlines

Deal found 10/30

$311

Sun 11/308:52 amMLI - MTJ

1 stop12h 28mUnited Airlines

Deal found 10/30

$434

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 1/20

6:20 am-12:00 pm

1 stop6h 40m

Montrose County

Tue 1/27

12:40 pm-5:30 pm

1 stop3h 50m

$211

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 1/20

8:05 am-2:32 pm

2 stops7h 27m

Montrose County

Tue 1/27

1:32 pm-8:58 pm

1 stop6h 26m

$216

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 3/24

6:00 am-1:19 pm

1 stop8h 19m

Montrose County

Wed 3/25

2:17 pm-11:40 pm

1 stop8h 23m

$217

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 1/19

6:00 am-1:08 pm

1 stop8h 08m

Montrose County

Tue 1/27

2:05 pm-8:39 pm

1 stop5h 34m

$217

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Mon 1/19

8:45 am-12:30 pm

1 stop4h 45m

Montrose County

Tue 1/27

1:32 pm-10:58 pm

2 stops8h 26m

$286

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Fri 11/14

4:43 pm-8:20 pm

1 stop4h 37m

Montrose County

Tue 11/18

1:30 pm-9:54 pm

1 stop7h 24m

$309

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Fri 1/30

5:33 am-1:08 pm

1 stop8h 35m

Montrose County

Wed 2/4

2:05 pm-11:57 pm

1 stop8h 52m

$309

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Tue 3/24

2:45 pm-8:16 pm

1 stop6h 31m

Montrose County

Wed 4/1

1:35 pm-9:13 pm

1 stop6h 38m

$309

St. LouisMontrose

STL - MTJ

STLMTJ

Lambert-St Louis

Tue 3/24

11:25 am-8:16 pm

2 stops9h 51m

Montrose County

Wed 3/25

1:35 pm-8:54 pm

1 stop6h 19m

$327

ChicagoMontrose

ORD - MTJ

ORDMTJ

Chicago O'Hare Intl

Sun 2/1

3:59 pm-8:17 pm

1 stop5h 18m

Montrose County

Sat 2/7

1:32 pm-9:15 pm

1 stop6h 43m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 30 results

Best time to book a flight from Illinois to Montrose

Have a flexible travel schedule? Discover the best time to fly to Montrose from Illinois with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Montrose

What is the cheapest month to book a flight from Illinois to Montrose?

Currently, February is the cheapest month in which you can book a flight from Illinois to Montrose (average of $198). Flying from Illinois to Montrose in April is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to MTJ?

When flying from Illinois to Montrose, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 46% versus a flight in the evening.

Related info for your journey

What airport do you fly into for flights to Montrose from Illinois?
Montrose County (MTJ) is the airport you will fly into if you book a flight from Illinois to Montrose. It is only a 2.3 mi journey from Montrose County (MTJ) to Montrose’s city center.
How long is the flight from Illinois to Montrose?
There are many flights that can get you from Illinois to Montrose in 6h 40m. Fly via Southwest, United Airlines, or Delta to get the fastest option. Airlines will cover a distance of 944 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the most popular routes from Illinois to Montrose?
When deciding which route to take from Illinois to Montrose consider Chicago O'Hare Intl - Montrose County, Lambert-St Louis - Montrose County or Moline Quad-City - Montrose County as they are the most popular.
Can I find deals for flights from Illinois to Montrose that include hotel bookings?
Yes. In addition to deals on Illinois to Montrose flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Montrose?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Montrose.
Can I find deals for business class flights from Illinois to Montrose?
Yes. Cheapflights offers flight deals from Illinois to Montrose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Illinois to Montrose?
Currently, February is the cheapest month in which you can book a flight from Illinois to Montrose (average of $198). Flying from Illinois to Montrose in April is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Illinois to Montrose

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$248	Average$413	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$308	Average$568	FlexibilityNo cancel fee	On-time69%

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$189+ Cheap flights from Illinois to Montrose (MTJ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Montrose with Cheapflights

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Cheap flight deals from Illinois to Montrose

Keep the following information in mind while searching for Illinois to Montrose flight deals. Data was last updated November 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Illinois to Montrose

Cheapest flights from Illinois to MontroseExplore the most affordable flight options available from Illinois to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 1, 2025.

Explore the most affordable flight options available from Illinois to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Montrose that are best for you.

Best time to book a flight from Illinois to Montrose

Have a flexible travel schedule? Discover the best time to fly to Montrose from Illinois with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Montrose

What is the cheapest month to book a flight from Illinois to Montrose?

What is the cheapest time of day to fly from IL to MTJ?

Find hourly flight availability from Illinois to Montrose. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 1, 2025.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Montrose. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Montrose from Illinois?

How long is the flight from Illinois to Montrose?

What are the most popular routes from Illinois to Montrose?

Can I find deals for flights from Illinois to Montrose that include hotel bookings?

How can I find direct flights from Illinois to Montrose?

Can I find deals for business class flights from Illinois to Montrose?

What is the cheapest month to book a flight from Illinois to Montrose?

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Alternative routes for Illinois to Montrose

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Illinois to Montrose

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Cheapest flights from Illinois to Montrose
Explore the most affordable flight options available from Illinois to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 1, 2025.